| Clue | Source | Date |
|---|---|---|
| Type of bolt secured by fan's shutters | ||
| Ventilation slats | Newsday | 21 Sep 2023 |
| Some vents | LA Times Daily | 09 Jul 2016 |
| Shutter slats | Newsday | 24 Apr 2016 |
| Some vents | ||
| Window slats | ||
| Blinds with angled slats | ||
| Blinds with angled slats | ||
| Slatted windows | ||
| Overlapping slats | ||
| Slats on shutters | ||
| Ventilating slits. | ||
| Automobile hood slits. | ||
| Vents. |